zgfp.net
当前位置:首页 >> 38x75+45x25简便运算怎么做 >>

38x75+45x25简便运算怎么做

=38×25×3+45×25 =25×114+25×45 =25×(114+45) =25×159 =25×160-25×1 =4000-25 =3975

(48X75X81)÷(24X25X2) =(2×24×25×3×81)÷(24×25×2) =3×81 =243

42x75+42x25 =42x(75+25) =42x100 =4200 希望帮到你 望采纳 谢谢 加油

189x25=190x25-1x25=4750-25=4725 37x75=30x75+7x75=2250+525=2775

16/17x75+13/17x25 =(13+3)/17x75+13/17x25 =3/17x75+13/17x75+13/17x25 =3/17x75+13/17x(75+25) =225/17+1300/17 =1525/17

18x75+18x25 =18x(75+25) =18x100 =1800 17x83+17x17 =17x(83+17) =17x100 =1700 125x320x25 =125x(80x4)x25 =(125x80)(4x25) =10000x100 =1000000 840x50-840x25+840x75 =840x(50-25+75) =840x100 =84000

25x78-25x25十53x75 =25x(78 - 25 + 53) =25x106 =2650

7x75-7x25 =7x(75-25) =7x50 =350

用简便方法计算 31x75十62x75十93x25 =75×(31+62)+93×25 =75×93+93×25 =93×(75+25) =93×100 =9300

22x75+34x25怎么简便计算 22x75+34x25 =22×3×25+34×25 =66×25+34×25 =(66+34)×25 =100×25 =2500

网站首页 | 网站地图
All rights reserved Powered by www.zgfp.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com